Service difficulty report · Support Angle · Boeing 7377H4

Difficulty date
July 31, 2021
Submitted
September 14, 2021
Operation
Air carrier
Aircraft
N491WN
Make and model
Boeing 7377H4
Aircraft serial
33867
Aircraft time
53,758 hours, 31,898 cycles
Part
Support Angle
Condition
Cracked
Location
Bs 914 Rbl 12
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CRACKED SUPPORT ANGLE BEHIND WATER SERVICE PANEL AT AFT CARGO BAY BS914 RBL12 WL170. ; / [01] EVALUATED CRACK; FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM 51-10-02-0G-0; [02] REMOVED OLD SUPPORT ANGLE; LOCATED AND DRILLED NEW ANGLE ALL PER SRM 51-40-02; SRM 51-40-05; AND DWG 147A7221; OK TO INSTALL; [03] VERIFIED CORRECTIVE ACTIONS 1 AND OK TO INSTALL; [04] INSTALLED NEW SUPPORT ANGLE PER SRM 51-40-02-0G-0 AND DWG 147A7221; [05] VERIFIED NEW BS914 RBL12 WL170 SUPPORT ANGLE INSTALLATION PER SRM 51-40-02-0G-0 AND DWG 147A7221; [06] WORKSCOPE COMPLETE

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